| BIOREGION | • bioregion n. An eco-region. • BIOREGION n. an area in which climate and environment are consistent.
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| BIORHYTHM | • biorhythm n. (Biology) Any cyclic biological or physiological pattern or activity. • biorhythm n. (Pseudoscience) Any of three sinusoidal graphs, normally plotted by computer, having a person’s birthdate…
 • BIORHYTHM n. a periodic change in the behaviour or physiology of many animals and plants (e.g. hibernation and migration) mediated by hormones which are in turn influenced by changes in day-length.
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| BIOREACTOR | • bioreactor n. (Biochemistry) A fermentation vat, containing microorganisms or biochemically active substances, used… • BIOREACTOR n. a device or apparatus in which living organisms, such as bacteria, synthesise useful substances or break down waste.
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| BIOREAGENT | • bioreagent n. (Biochemistry) Any reagent (especially an enzyme) of biological origin. • bioreagent n. (Biochemistry) Any reagent used in biochemistry.
 • BIOREAGENT n. a biological agent that reacts.
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| BIOREGIONS | • bioregions n. Plural of bioregion. • BIOREGION n. an area in which climate and environment are consistent.
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| BIORHYTHMS | • biorhythms n. Plural of biorhythm. • BIORHYTHM n. a periodic change in the behaviour or physiology of many animals and plants (e.g. hibernation and migration) mediated by hormones which are in turn influenced by changes in day-length.
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| BIOREACTORS | • bioreactors n. Plural of bioreactor. • BIOREACTOR n. a device or apparatus in which living organisms, such as bacteria, synthesise useful substances or break down waste.
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| BIOREAGENTS | • bioreagents n. Plural of bioreagent. • BIOREAGENT n. a biological agent that reacts.
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| BIOREFINERY | • biorefinery n. (Uncountable) the coproduction of a range of biologically-based products (food, feed, materials, chemicals)… • biorefinery n. (Countable) a facility that carries out such production.
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| BIOREGIONAL | • bioregional adj. Of or pertaining to a bioregion. • BIOREGIONAL adj. relating to a bioregion.
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| BIORHYTHMIC | • biorhythmic adj. Of or pertaining to biorhythms. • BIORHYTHMIC adj. relating to biorhythms.
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| BIORHYTHMICS | • biorhythmics n. The study of biorhythms. • BIORHYTHMICS n. the study of biorhythms.
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| BIOREFINERIES | • biorefineries n. Plural of biorefinery. | 
| BIOREGIONALISM | • bioregionalism n. The belief that naturally-defined regions (bioregions or ecoregions) should be the basis of political… • BIOREGIONALISM n. an environmentalist movement to make political boundaries coincide with bioregions.
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| BIOREGIONALIST | • bioregionalist n. A proponent of bioregionalism. • BIOREGIONALIST n. one who studies bioregionalism.
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| BIOREMEDIATION | • bioremediation n. (Biochemistry) The use of biological organisms, usually microorganisms, to remove contaminants, especially… • BIOREMEDIATION n. the treatment of pollutants or waste (as in an oil spill, contaminated groundwater, or an industrial process) by the use of microorganisms (as bacteria) that break down the undesirable substances.
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| BIOREGIONALISMS | • bioregionalisms n. Plural of bioregionalism. • BIOREGIONALISM n. an environmentalist movement to make political boundaries coincide with bioregions.
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| BIOREGIONALISTS | • bioregionalists n. Plural of bioregionalist. • BIOREGIONALIST n. one who studies bioregionalism.
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| BIOREMEDIATIONS | • bioremediations n. Plural of bioremediation. • BIOREMEDIATION n. the treatment of pollutants or waste (as in an oil spill, contaminated groundwater, or an industrial process) by the use of microorganisms (as bacteria) that break down the undesirable substances.
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| BIORHYTHMICALLY | • biorhythmically adv. In a biorhythmic way. • BIORHYTHMIC adv. relating to biorhythms.
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